#-*-coding: utf-8 -*_#开发团队
# E-Mail: cq30@foxmail.com
# 开发时间 : 2021/10/10 17:55
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# Origin :崔强 2019110504 


import scipy.stats
import numpy as np
SE = 2200/scipy.sqrt(480)
X = 12168
Z = 1.96
print("置信区间为:(%.2f,%.2f)"%(X-Z*SE,X+Z*SE))


